JavaScript is a sprawling and ever-changing behemoth, and may be the single-most connective piece of web technology. From AI ...

Variables hold a wide variety of information temporarily. The JavaScript data types that can be stored in a variable include: JavaScript variables can hold a few other kinds of data, but these are by ...

Nowadays JavaScript has three different keywords to declare a variable — var, let and, const. Each has its own properties and particularities. Let’s start by making a simple comparison table of the ...

JavaScript is the language of the web. It makes websites interactive, creates animations, draws data-driven graphics, and more. It even runs natively in your web browser so you don’t have to install ...

JavaScript is a well-known and widely used scripting language used mostly to write applications for Web pages. You can create hundreds of useful apps using JavaScript ...

The perceptions that critical operations are performed on the server side and that all data is stored there are incorrect. What many browsers do today involves reaching out over an unencrypted ...

Alongside tanking search rankings, you may encounter a Google Search Console warning about First Input Delay. After profiling page performance using Dev Tools (performance tab, CPU chart), you might ...